Bluetooth: hci_qca: Added support for WCN3998

Added new compatible for WCN3998 and corresponding voltage
and current values to WCN3998 compatible.
Changed driver code to support WCN3998

Signed-off-by: Harish Bandi <c-hbandi@codeaurora.org>
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
Reviewed-by: Balakrishna Godavarthi <bgodavar@codeaurora.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

3 files changed, 40 insertions, 18 deletions

diff --git a/drivers/bluetooth/btqca.c b/drivers/bluetooth/btqca.c
index 612268574fc7..cc12eecd9e4d 100644
--- a/drivers/bluetooth/btqca.c
+++ b/drivers/bluetooth/btqca.c
@@ -336,7 +336,7 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
 {
         struct rome_config config;
         int err;
-        u8 rom_ver;
+        u8 rom_ver = 0;
 
         bt_dev_dbg(hdev, "QCA setup on UART");
 
@@ -344,7 +344,7 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
 
         /* Download rampatch file */
         config.type = TLV_TYPE_PATCH;
-        if (soc_type == QCA_WCN3990) {
+        if (qca_is_wcn399x(soc_type)) {
                 /* Firmware files to download are based on ROM version.
                  * ROM version is derived from last two bytes of soc_ver.
                  */
@@ -365,7 +365,7 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
 
         /* Download NVM configuration */
         config.type = TLV_TYPE_NVM;
-        if (soc_type == QCA_WCN3990)
+        if (qca_is_wcn399x(soc_type))
                 snprintf(config.fwname, sizeof(config.fwname),
                          "qca/crnv%02x.bin", rom_ver);
         else
@@ -410,6 +410,7 @@ int qca_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
 }
 EXPORT_SYMBOL_GPL(qca_set_bdaddr);
 
+
 MODULE_AUTHOR("Ben Young Tae Kim <ytkim@qca.qualcomm.com>");
 MODULE_DESCRIPTION("Bluetooth support for Qualcomm Atheros family ver " VERSION);
 MODULE_VERSION(VERSION);
diff --git a/drivers/bluetooth/btqca.h b/drivers/bluetooth/btqca.h
index 6fdc25d7bba7..4c4fe2b5b7b7 100644
--- a/drivers/bluetooth/btqca.h
+++ b/drivers/bluetooth/btqca.h
@@ -132,7 +132,8 @@ enum qca_btsoc_type {
         QCA_INVALID = -1,
         QCA_AR3002,
         QCA_ROME,
-        QCA_WCN3990
+        QCA_WCN3990,
+        QCA_WCN3998,
 };
 
 #if IS_ENABLED(CONFIG_BT_QCA)
@@ -142,6 +143,10 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
                    enum qca_btsoc_type soc_type, u32 soc_ver);
 int qca_read_soc_version(struct hci_dev *hdev, u32 *soc_version);
 int qca_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr);
+static inline bool qca_is_wcn399x(enum qca_btsoc_type soc_type)
+{
+        return soc_type == QCA_WCN3990 || soc_type == QCA_WCN3998;
+}
 #else
 
 static inline int qca_set_bdaddr_rome(struct hci_dev *hdev, const bdaddr_t *bdaddr)
@@ -165,4 +170,8 @@ static inline int qca_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
         return -EOPNOTSUPP;
 }
 
+static inline bool qca_is_wcn399x(enum qca_btsoc_type soc_type)
+{
+        return false;
+}
 #endif
diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
index 7f75652686fe..c53ee8d8ca15 100644
--- a/drivers/bluetooth/hci_qca.c
+++ b/drivers/bluetooth/hci_qca.c
@@ -521,7 +521,7 @@ static int qca_open(struct hci_uart *hu)
         if (hu->serdev) {
 
                 qcadev = serdev_device_get_drvdata(hu->serdev);
-                if (qcadev->btsoc_type != QCA_WCN3990) {
+                if (!qca_is_wcn399x(qcadev->btsoc_type)) {
                         gpiod_set_value_cansleep(qcadev->bt_en, 1);
                         /* Controller needs time to bootup. */
                         msleep(150);
@@ -629,7 +629,7 @@ static int qca_close(struct hci_uart *hu)
 
         if (hu->serdev) {
                 qcadev = serdev_device_get_drvdata(hu->serdev);
-                if (qcadev->btsoc_type == QCA_WCN3990)
+                if (qca_is_wcn399x(qcadev->btsoc_type))
                         qca_power_shutdown(hu);
                 else
                         gpiod_set_value_cansleep(qcadev->bt_en, 0);
@@ -1011,7 +1011,7 @@ static int qca_set_baudrate(struct hci_dev *hdev, uint8_t baudrate)
                       msecs_to_jiffies(CMD_TRANS_TIMEOUT_MS));
 
         /* Give the controller time to process the request */
-        if (qca_soc_type(hu) == QCA_WCN3990)
+        if (qca_is_wcn399x(qca_soc_type(hu)))
                 msleep(10);
         else
                 msleep(300);
@@ -1087,7 +1087,7 @@ static unsigned int qca_get_speed(struct hci_uart *hu,
 
 static int qca_check_speeds(struct hci_uart *hu)
 {
-        if (qca_soc_type(hu) == QCA_WCN3990) {
+        if (qca_is_wcn399x(qca_soc_type(hu))) {
                 if (!qca_get_speed(hu, QCA_INIT_SPEED) &&
                     !qca_get_speed(hu, QCA_OPER_SPEED))
                         return -EINVAL;
@@ -1119,7 +1119,7 @@ static int qca_set_speed(struct hci_uart *hu, enum qca_speed_type speed_type)
                 /* Disable flow control for wcn3990 to deassert RTS while
                  * changing the baudrate of chip and host.
                  */
-                if (soc_type == QCA_WCN3990)
+                if (qca_is_wcn399x(soc_type))
                         hci_uart_set_flow_control(hu, true);
 
                 qca_baudrate = qca_get_baudrate_value(speed);
@@ -1131,7 +1131,7 @@ static int qca_set_speed(struct hci_uart *hu, enum qca_speed_type speed_type)
                 host_set_baudrate(hu, speed);
 
 error:
-                if (soc_type == QCA_WCN3990)
+                if (qca_is_wcn399x(soc_type))
                         hci_uart_set_flow_control(hu, false);
         }
 
@@ -1204,7 +1204,7 @@ static int qca_setup(struct hci_uart *hu)
         /* Patch downloading has to be done without IBS mode */
         clear_bit(STATE_IN_BAND_SLEEP_ENABLED, &qca->flags);
 
-        if (soc_type == QCA_WCN3990) {
+        if (qca_is_wcn399x(soc_type)) {
                 bt_dev_info(hdev, "setting up wcn3990");
 
                 /* Enable NON_PERSISTENT_SETUP QUIRK to ensure to execute
@@ -1235,7 +1235,7 @@ static int qca_setup(struct hci_uart *hu)
                 qca_baudrate = qca_get_baudrate_value(speed);
         }
 
-        if (soc_type != QCA_WCN3990) {
+        if (!qca_is_wcn399x(soc_type)) {
                 /* Get QCA version information */
                 ret = qca_read_soc_version(hdev, &soc_ver);
                 if (ret)
@@ -1260,7 +1260,7 @@ static int qca_setup(struct hci_uart *hu)
         }
 
         /* Setup bdaddr */
-        if (soc_type == QCA_WCN3990)
+        if (qca_is_wcn399x(soc_type))
                 hu->hdev->set_bdaddr = qca_set_bdaddr;
         else
                 hu->hdev->set_bdaddr = qca_set_bdaddr_rome;
@@ -1283,7 +1283,7 @@ static struct hci_uart_proto qca_proto = {
         .dequeue        = qca_dequeue,
 };
 
-static const struct qca_vreg_data qca_soc_data = {
+static const struct qca_vreg_data qca_soc_data_wcn3990 = {
         .soc_type = QCA_WCN3990,
         .vregs = (struct qca_vreg []) {
                 { "vddio",   1800000, 1900000,  15000  },
@@ -1294,6 +1294,17 @@ static const struct qca_vreg_data qca_soc_data = {
         .num_vregs = 4,
 };
 
+static const struct qca_vreg_data qca_soc_data_wcn3998 = {
+        .soc_type = QCA_WCN3998,
+        .vregs = (struct qca_vreg []) {
+                { "vddio",   1800000, 1900000,  10000  },
+                { "vddxo",   1800000, 1900000,  80000  },
+                { "vddrf",   1300000, 1352000,  300000 },
+                { "vddch0",  3300000, 3300000,  450000 },
+        },
+        .num_vregs = 4,
+};
+
 static void qca_power_shutdown(struct hci_uart *hu)
 {
         struct qca_data *qca = hu->priv;
@@ -1427,8 +1438,8 @@ static int qca_serdev_probe(struct serdev_device *serdev)
         qcadev->serdev_hu.serdev = serdev;
         data = of_device_get_match_data(&serdev->dev);
         serdev_device_set_drvdata(serdev, qcadev);
-        if (data && data->soc_type == QCA_WCN3990) {
-                qcadev->btsoc_type = QCA_WCN3990;
+        if (data && qca_is_wcn399x(data->soc_type)) {
+                qcadev->btsoc_type = data->soc_type;
                 qcadev->bt_power = devm_kzalloc(&serdev->dev,
                                                 sizeof(struct qca_power),
                                                 GFP_KERNEL);
@@ -1492,7 +1503,7 @@ static void qca_serdev_remove(struct serdev_device *serdev)
 {
         struct qca_serdev *qcadev = serdev_device_get_drvdata(serdev);
 
-        if (qcadev->btsoc_type == QCA_WCN3990)
+        if (qca_is_wcn399x(qcadev->btsoc_type))
                 qca_power_shutdown(&qcadev->serdev_hu);
         else
                 clk_disable_unprepare(qcadev->susclk);
@@ -1502,7 +1513,8 @@ static void qca_serdev_remove(struct serdev_device *serdev)
 
 static const struct of_device_id qca_bluetooth_of_match[] = {
         { .compatible = "qcom,qca6174-bt" },
-        { .compatible = "qcom,wcn3990-bt", .data = &qca_soc_data},
+        { .compatible = "qcom,wcn3990-bt", .data = &qca_soc_data_wcn3990},
+        { .compatible = "qcom,wcn3998-bt", .data = &qca_soc_data_wcn3998},
         { /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(of, qca_bluetooth_of_match);